Hi Saravana,
CloneID (also known as server ID) is appended to the session ID
e.g.
JSESSIONID 00004QkpGtFgJZ01zkgdi7qMJvg:14aelsphk
The value after : is the cloneID of the server and is used to identify the server. It is usually appended to the JSESSION ID.
Thank you.